What Is the Point of Synchronization?

Groups of humans in our ancestral past would dance together so as to make a preditor think they were one big animal, instead of many separate potential victims. That could be a value to syncronized. If you were making noise together and moving your arms altogether as if you were one big creature, then that could really put off a preditor who's judging the risk in terms of the size of their opponent,. Right? Now we'l talk about conversation. What do you think is the point of conversational synchronization? What 'll ye use it for?